Pascal (Lazarus/Delphi)

ipdata.co IPv4 Geolocation Lookup

See more Geolocation Examples

Demonstrates how to lookup Geolocation data for an IPv4 address using the ipdata.co API. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.JsonObject,
  Chilkat.Http;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  jsonStr: string;
  json: TJsonObject;
  ip: string;
  is_eu: Boolean;
  city: string;
  region: string;
  region_code: string;
  country_name: string;
  country_code: string;
  continent_name: string;
  continent_code: string;
  latitude: string;
  longitude: string;
  asn: string;
  organisation: string;
  postal: string;
  calling_code: string;
  flag: string;
  emoji_flag: string;
  emoji_unicode: string;
  currencyName: string;
  currencyCode: string;
  currencySymbol: string;
  currencyNative: string;
  currencyPlural: string;
  time_zoneName: string;
  time_zoneAbbr: string;
  time_zoneOffset: string;
  time_zoneIs_dst: Boolean;
  time_zoneCurrent_time: string;
  threatIs_tor: Boolean;
  threatIs_proxy: Boolean;
  threatIs_anonymous: Boolean;
  threatIs_known_attacker: Boolean;
  threatIs_known_abuser: Boolean;
  threatIs_threat: Boolean;
  threatIs_bogon: Boolean;
  count: string;
  i: Integer;
  count_i: Integer;
  name: string;
  native: string;

begin
  success := False;

  //  This example requires the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  http := THttp.Create;

  jsonStr := http.QuickGetStr('https://api.ipdata.co/149.250.207.170?api-key=MY_API_KEY');
  if (http.LastMethodSuccess = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  json := TJsonObject.Create;
  json.EmitCompact := False;
  success := json.Load(jsonStr);

  WriteLn(json.Emit());

  //  Sample output:
  //  Use this online tool to generate parsing code from sample JSON: 
  //  Generate Parsing Code from JSON

  //  {
  //    "ip": "149.250.207.170",
  //    "is_eu": true,
  //    "city": null,
  //    "region": null,
  //    "region_code": null,
  //    "country_name": "Germany",
  //    "country_code": "DE",
  //    "continent_name": "Europe",
  //    "continent_code": "EU",
  //    "latitude": 51.2993,
  //    "longitude": 9.491,
  //    "asn": "AS15854",
  //    "organisation": "EntServ Deutschland GmbH",
  //    "postal": null,
  //    "calling_code": "49",
  //    "flag": "https://ipdata.co/flags/de.png",
  //    "emoji_flag": "\ud83c\udde9\ud83c\uddea",
  //    "emoji_unicode": "U+1F1E9 U+1F1EA",
  //    "languages": [
  //      {
  //        "name": "German",
  //        "native": "Deutsch"
  //      }
  //    ],
  //    "currency": {
  //      "name": "Euro",
  //      "code": "EUR",
  //      "symbol": "\u20ac",
  //      "native": "\u20ac",
  //      "plural": "euros"
  //    },
  //    "time_zone": {
  //      "name": "Europe/Berlin",
  //      "abbr": "CEST",
  //      "offset": "+0200",
  //      "is_dst": true,
  //      "current_time": "2019-04-20T23:54:30.715507+02:00"
  //    },
  //    "threat": {
  //      "is_tor": false,
  //      "is_proxy": false,
  //      "is_anonymous": false,
  //      "is_known_attacker": false,
  //      "is_known_abuser": false,
  //      "is_threat": false,
  //      "is_bogon": false
  //    },
  //    "count": "2"
  //  }

  ip := json.StringOf('ip');
  is_eu := json.BoolOf('is_eu');
  city := json.StringOf('city');
  region := json.StringOf('region');
  region_code := json.StringOf('region_code');
  country_name := json.StringOf('country_name');
  country_code := json.StringOf('country_code');
  continent_name := json.StringOf('continent_name');
  continent_code := json.StringOf('continent_code');
  latitude := json.StringOf('latitude');
  longitude := json.StringOf('longitude');
  asn := json.StringOf('asn');
  organisation := json.StringOf('organisation');
  postal := json.StringOf('postal');
  calling_code := json.StringOf('calling_code');
  flag := json.StringOf('flag');
  emoji_flag := json.StringOf('emoji_flag');
  emoji_unicode := json.StringOf('emoji_unicode');
  currencyName := json.StringOf('currency.name');
  currencyCode := json.StringOf('currency.code');
  currencySymbol := json.StringOf('currency.symbol');
  currencyNative := json.StringOf('currency.native');
  currencyPlural := json.StringOf('currency.plural');
  time_zoneName := json.StringOf('time_zone.name');
  time_zoneAbbr := json.StringOf('time_zone.abbr');
  time_zoneOffset := json.StringOf('time_zone.offset');
  time_zoneIs_dst := json.BoolOf('time_zone.is_dst');
  time_zoneCurrent_time := json.StringOf('time_zone.current_time');
  threatIs_tor := json.BoolOf('threat.is_tor');
  threatIs_proxy := json.BoolOf('threat.is_proxy');
  threatIs_anonymous := json.BoolOf('threat.is_anonymous');
  threatIs_known_attacker := json.BoolOf('threat.is_known_attacker');
  threatIs_known_abuser := json.BoolOf('threat.is_known_abuser');
  threatIs_threat := json.BoolOf('threat.is_threat');
  threatIs_bogon := json.BoolOf('threat.is_bogon');
  count := json.StringOf('count');
  i := 0;
  count_i := json.SizeOfArray('languages');
  while i < count_i do
    begin
      json.I := i;
      name := json.StringOf('languages[i].name');
      native := json.StringOf('languages[i].native');
      i := i + 1;
    end;



  http.Free;
  json.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.